13680234490115 has 32 divisors (see below), whose sum is σ = 17359157329920. Its totient is φ = 10320868416384.

The previous prime is 13680234490057. The next prime is 13680234490129. The reversal of 13680234490115 is 51109443208631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13680234490115 - 2¹² = 13680234486019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13680234490115.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494804222 + ... + 494831868.

It is an arithmetic number, because the mean of its divisors is an integer number (542473666560).

Almost surely, 2^{13680234490115} is an apocalyptic number.

13680234490115 is a deficient number, since it is larger than the sum of its proper divisors (3678922839805).

13680234490115 is a wasteful number, since it uses less digits than its factorization.

13680234490115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51251.

The product of its (nonzero) digits is 622080, while the sum is 47.

Adding to 13680234490115 its reverse (51109443208631), we get a palindrome (64789677698746).

The spelling of 13680234490115 in words is "thirteen trillion, six hundred eighty billion, two hundred thirty-four million, four hundred ninety thousand, one hundred fifteen".